/*========== 字体引入 ==========*/
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;300;400;500;600&display=swap');

/*========== css变量 ==========*/
:root {
  --main-color: #443;
  --border-radius: 95% 4% 97% 5% / 4% 94% 3% 95%;
  --border-radius-hover: 4% 95% 6% 95% / 95% 4% 92% 5%;
  --border: .2rem solid var(--main-color);
  --border-hover: .2rem dashed var(--main-color);
}

/*========== 基础css ========*/
* {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
  border: none;
  text-decoration: none;
  text-transform: capitalize;
  transition: all .3s linear;
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
  /* 瞄点跳转时,可视区padding-top 7rem */
  scroll-padding-top: 7rem;
  scroll-behavior: smooth;
}

section {
  padding: 2rem 9%;
}

.heading {
  font-size: 9rem;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: .05rem var(--main-color);
  letter-spacing: .2rem;
  text-align: center;
  pointer-events: none;
  position: relative;
}

.heading span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  color: var(--main-color);
  font-size: 3rem;
}

.btn {
  display: inline-block;
  padding: .9rem 1.5rem;
  border: var(--border);
  border-radius: var(--border-radius);
  color: var(--main-color);
  background: none;
  cursor: pointer;
  margin-top: 1rem;
  font-size: 1.7rem;
}

.btn:hover {
  border-radius: var(--border-radius-hover);
  border: var(--border-hover);
}

/*========== header =========*/
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .1);
  padding: 2rem 9%;
}

.header .logo {
  color: var(--main-color);
  font-size: 2.3rem;
}

.header .logo i {
  padding-left: .5rem;
}

.header .navbar a {
  margin: 0 1rem;
  font-size: 1.7rem;
  color: var(--main-color);
}

.header .btn {
  margin-top: 0;
}

#menu-btn {
  font-size: 3rem;
  color: var(--main-color);
  cursor: pointer;
  display: none;
}

/*========== home =========*/
.home {
  min-height: 100vh;
  padding-top: 12rem;
  background: url(../images/home-bg.jpg) no-repeat;
  background-position: center;
  background-size: cover;
}

.home .row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.home .row .content {
  flex: 1 1 42rem;
}

.home .row .image {
  flex: 1 1 42rem;
  padding-top: 10rem;
  text-align: center;
}

.home .row .image img {
  height: 35rem;
  animation: float 4s linear infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0rem);
  }

  50% {
    transform: translateY(-7rem);
  }
}

.home .row .content h3 {
  font-size: 6.5rem;
  color: var(--main-color);
  text-transform: uppercase;
}

.home .image-slider {
  text-align: center;
  padding: 3rem 0;
}

.home .image-slider img {
  height: 9rem;
  margin: 0 .5rem;
  cursor: pointer;
  margin-top: 5rem;
}

.home .image-slider img:hover {
  transform: translateY(-2rem);
}

/*========== about ==========*/
.about .row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.about .row .image {
  flex: 1 1 42rem;
}

.about .row .image img {
  width: 100%;
  animation: aboutImage 4s linear infinite;
}

@keyframes aboutImage {

  0%,
  100% {
    transform: scale(.9);
    border-radius: var(--border-radius-hover);
  }

  50% {
    transform: scale(.8);
    border-radius: var(--border-radius);
  }
}

.about .row .content {
  flex: 1 1 42rem;
}

.about .row .content .title {
  color: var(--main-color);
  font-size: 3rem;
  line-height: 1.8;
}

.about .row .content p {
  color: var(--main-color);
  font-size: 1.5rem;
  line-height: 1.8;
  padding: 1rem 0;
}

.about .row .content .icons-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 3rem;
}

.about .row .content .icons-container .icons {
  flex: 1 1 15rem;
  padding: 1.5rem;
  text-align: center;
  border: var(--border);
  border-radius: var(--border-radius);
}

.about .row .content .icons-container .icons img {
  height: 5rem;
}

.about .row .content .icons-container .icons h3 {
  font-size: 1.7rem;
  padding-top: 1rem;
  color: var(--main-color);
}

/*========== menu ==========*/
.menu {
  background: url(../images/menu-bg.jpg) no-repeat;
  background-position: center;
  background-size: cover;
}

.menu .box-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.menu .box-container .box {
  flex: 1 1 42rem;
  padding: 2rem;
  border: var(--border);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: 6rem;
}

.menu .box-container .box:hover {
  border: var(--border-hover);
  border-radius: var(--border-radius-hover);
}

.menu .box-container .box img {
  height: 8rem;
  margin-left: -6rem;
}

.menu .box-container .box .content h3 {
  font-size: 2.2rem;
  color: var(--main-color);
  line-height: 1.8;
}

.menu .box-container .box .content p {
  font-size: 1.6rem;
  color: var(--main-color);
  line-height: 1.8;
  padding: 1rem 0;
}

.menu .box-container .box .content span {
  font-size: 2rem;
  color: var(--main-color);
  line-height: 1.8;
}

/*========== review ==========*/
.review .review-slider {
  padding: 7rem 0;
}

.review .review-slider .box {
  border: var(--border);
  border-radius: var(--border-radius);
  text-align: center;
  position: relative;
  z-index: 0;
  padding: 2rem;
}

.review .review-slider .box .fa-quote-left {
  position: absolute;
  top: 2rem;
  left: 2.5rem;
  font-size: 6rem;
  color: #ccc;
  z-index: -1;
}

.review .review-slider .box .fa-quote-right {
  position: absolute;
  bottom: 2rem;
  right: 2.5rem;
  font-size: 6rem;
  color: #ccc;
  z-index: -1;
}

.review .review-slider .box:hover .fa-quote-left {
  top: -6.5rem;
}

.review .review-slider .box:hover .fa-quote-right {
  bottom: -6.5rem;
}

.review .review-slider .box img {
  height: 7rem;
  width: 7rem;
  border-radius: 50%;
  margin-bottom: .7rem;
}

.review .review-slider .box .stars {
  padding: .5rem 0;
}

.review .review-slider .box .stars i {
  font-size: 1.7rem;
  color: var(--main-color);
}

.review .review-slider .box p {
  font-size: 1.6rem;
  color: var(--main-color);
  padding: 1rem 0;
  line-height: 1.8;
}

.review .review-slider .box h3 {
  font-size: 2.2rem;
  color: var(--main-color);
  line-height: 1.8;
}

.review .review-slider .box span {
  font-size: 1.5rem;
  color: var(--main-color);
}

.swiper-pagination-bullet {
  height: 1.5rem;
  width: 1.5rem;
  border-radius: 0;
}

.swiper-pagination-bullet-active {
  background: var(--main-color);
}

/*========== book ==========*/
.book {
  background: url(../images/book-bg.jpg);
  background-position: center;
  background-size: cover;
}

.book form {
  margin: 0 auto 2rem;
  max-width: 60rem;
  border-radius: var(--border-radius-hover);
  padding: 3rem;
  border: var(--border);
}

.book form .box {
  width: 100%;
  padding: 1rem 1.2rem;
  border-radius: .5rem;
  font-size: 1.6rem;
  background: none;
  text-transform: none;
  color: var(--main-color);
  border: var(--border);
  margin: .7rem 0;
}

.book form .box:focus {
  border: var(--border-hover);
}

.book form textarea {
  height: 15rem;
  resize: none;
}

/*========== footer ==========*/
.footer .box-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(23rem, auto));
  gap: 1.5rem;
}

.footer .box-container .box h3 {
  font-size: 2.5rem;
  padding: 1rem 0;
  color: var(--main-color);
}

.footer .box-container .box a {
  display: block;
  font-size: 1.5rem;
  padding: 1rem 0;
  color: var(--main-color);
}

.footer .box-container .box a i {
  padding-right: .5rem;
}

.footer .box-container .box a:hover i {
  padding-right: 2rem;
}

.footer .credit {
  text-align: center;
  font-size: 2rem;
  padding: 2rem 1rem;
  margin-top: 1rem;
  color: var(--main-color);
}

.footer .credit span {
  border-bottom: var(--border-hover);
}


/*========== breakpoints ==========*/
@media (max-width: 991px) {
  html {
    font-size: 55%;
  }

  .header {
    padding: 3rem;
  }

  section {
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  .heading {
    font-size: 6rem;
  }

  .heading span {
    font-size: 2.3rem;
  }

  #menu-btn {
    display: initial;
  }

  #menu-btn.fa-times {
    transform: rotate(180deg);
  }

  .header .navbar {
    position: absolute;
    left: 0;
    right: 0;
    top: 99%;
    height: 0;
    overflow: hidden;
    background: #fff;
    transition: height .6s;
  }

  .header .navbar.active {
    border-top: 1px solid #eee;
    height: 330px;
  }

  .header .navbar a {
    display: block;
    font-size: 2.2rem;
    margin: 0;
    padding: 1.5rem 2rem;
  }

  .home {
    text-align: center;
  }

  .home .row .content h3 {
    font-size: 4rem;
  }

  .menu .box-container .box {
    margin-left: 0;
    margin-top: 6rem;
    flex-flow: column;
    text-align: center;
  }

  .menu .box-container .box img {
    margin-left: 0;
    margin-top: -6rem;
  }
}

@media (max-width: 450px) {
  html {
    font-size: 50%;
  }

  .home .row .image img {
    height: auto;
    width: 100%;
  }
}